Many VAZ 2107 car owners carry out repair work on their car on their own. And the clutch mechanism is no exception. Although this task is labor-intensive and cannot be called simple, the owners of 2107 have long learned to do it on their own. Today we will tell you how to replace the clutch disc of a VAZ 2107: the video will be presented at the end of the material.
The clutch in a vehicle plays the role of ensuring smooth gear shifting by briefly disconnecting the VAZ engine from the transmission system. It is precisely because the car has a clutch that it can move off smoothly without overloading the engine and helping to increase the service life of most of its elements. This includes the gearbox itself.
VAZ 2107 car
Clutch device VAZ 2107
The clutch is controlled by a pedal inside the cabin. When you press it, the clutch is disconnected from the gearbox, and when you press it, it engages. This ensures a smooth start of the car from a standstill and silent gear shifting. The node itself consists of a large number of elements interacting with each other. The VAZ 2107 is equipped with a single-disc clutch with a central spring .
Clutch basket
The clutch consists of two discs and a release bearing. The clutch used on the VAZ 2107 is simple and reliable. The pressure (drive disk) is installed on the flywheel. Inside the basket there is a driven disk connected to the gearbox input shaft with special splines.
The driven disk is located inside the basket
The clutch can be single-disc or multi-disc. The first is considered more reliable. The clutch functions as follows. When you press the pedal, the release bearing mounted on the input shaft pulls the petals of the basket towards the engine block. As a result, the basket and driven disk are disengaged, and it becomes possible to change speeds.
For the VAZ 2107, wheels from the VAZ 2103 (for engines up to 1.5 liters) and VAZ 2121 (for engines up to 1.7 liters) are suitable. Externally they are very similar and have a diameter of 200 mm. These discs can be distinguished by the width of the linings (29 and 35 mm, respectively) and the presence of a 6 mm mark in one of the grooves of the VAZ 2121 damper.
Read about the diagnostics of an elastic coupling: https://bumper.guru/klassicheskie-modeli-vaz/zadnij-most/zamena-podvesnogo-podshipnika-na-vaz-2107.html
Clutch disc
The driven disc is sometimes called a drum. There are pads glued to it on both sides. To increase elasticity, special slots are made on the disk during the manufacturing process. In addition, the drum is equipped with eight springs located in the plane of the disk. These springs reduce the frequency of torsional vibrations and reduce dynamic loads.
The drum is connected to the gearbox, and the basket is connected to the engine. During movement, they are pressed tightly against each other, rotating in the same direction.
The drum is equipped with eight springs located in the plane of the disk
The single-disk scheme used on the VAZ 2107 is distinguished by its reliability, comparative cheapness and ease of maintenance. This clutch is easy to remove and repair.
The driven disk for a 1.5 liter engine has dimensions of 200x140 mm. It can also be installed on a VAZ 2103, 2106. Sometimes a drum from a Niva (VAZ 2121) is installed on a VAZ 2107, differing in size (200x130 mm), a reinforced damper system and a large number of rivets.
Release bearing
The release bearing, being the most vulnerable element of the clutch, turns the rotation gear on and off. It is located in the middle of the disc and is rigidly connected to the pedal through a fork. Each press of the clutch pedal loads the bearing and shortens the bearing's life. Do not press the pedal unnecessarily. A bearing is installed on the gearbox drive shaft guide.
The release bearing is the most vulnerable element of the clutch
In the clutch kit, the release bearing is designated 2101. A bearing from a VAZ 2121, designed for high loads and having an increased service life, is also suitable. However, in this case, you will also need to replace the basket, since pressing the pedal will require great effort.
Clutch fork
The fork is designed to disengage the clutch when the clutch pedal is pressed. It moves the release bearing and, as a result, the inner edge of the spring.
The fork is designed to disengage the clutch when the pedal is pressed
Most often, if the fork is faulty, it becomes impossible to disengage the clutch. However, sometimes it continues to malfunction. If you do not replace the fork right away, you will have to replace the entire clutch assembly later.
Replacement
So, having purchased a new clutch disc, we proceed to install it. In order to slightly reduce the labor intensity, we will perform the replacement without removing the box. We carry out the work on an overpass or inspection pit.
Getting started with labor feats, we will carry out the preparatory stage:
- Disconnect the negative terminal of the battery.
- Remove the clutch slave cylinder.
- We unhook the cardan from the gearbox.
- Unscrew the speedometer cable.
- Disconnect the wires of the reversing lights from the contact group on the gearbox.
- We disconnect the clutch housing from the cylinder block and the cross member of the rear engine mount from the body.
Now we move directly to the main stage of our work - replacing the clutch disc:
- We unscrew the nuts securing the gearbox support, move it back so that the gearshift lever rests against the back of the floor hole. The front part of the box will be held by the muffler, and a reliable support must be placed under the rear part.
- Holding the flywheel with a mounting tool, unscrew the clutch housing mounting bolts, turning the crankshaft to gain access to them.
- We move the clutch basket and remove the used driven disc, replacing it with a new one. Before installation, wipe the new disk and flywheel with a rag soaked in gasoline.
- The installed disk must be adjusted relative to the center of the bearing at the end of the crankshaft.
We carry out further assembly in the reverse order, not forgetting to adjust the free play of the clutch pedal afterwards.
Clutch selection
When purchasing a new clutch kit for the VAZ 2107, experts recommend being guided by the following criteria. When assessing the driven disk:
- the surface of the linings must be smooth and uniform, without scoring, cracks or chips;
- all rivets on the disk must be the same size and located at an equal distance from each other;
- there should be no oil stains on the disc;
- there should be no play in the places where the linings and springs are attached;
- The manufacturer's logo must be applied to the product in one way or another.
When choosing a basket, you should pay attention to the following points:
- the casing must be stamped, without cuts or scratches;
- the surface of the disk must be smooth and uniform, without cracks or chips;
- the rivets must be identical and strong.
The most popular brands are the following.
- Valeo (France), specializing in the production of excellent quality brake system elements. The characteristic features of the Valeo clutch are soft operation with a clear engagement moment, reliability, and long service life (more than 150 thousand kilometers). However, such a clutch is not cheap.
The Valeo clutch is characterized by soft operation with a clear engagement moment - Luk (Germany). The quality of the Luk clutch is close to Valeo, but costs a little less. The good damping properties of Luk products are noted.
- Kraft (Germany). However, production is concentrated in Turkey. The Craft clutch features soft operation without overheating and reliable flywheel protection.
- Sachs (Germany). The company specializes in the production of transmission parts. The use of asbestos-free linings in the manufacture of clutch discs made Sachs very popular in Russia.
The choice of clutch should be approached comprehensively and the choice should be made after examining the product and receiving expert advice.
The easiest way to remove the gearbox
VAZ 2106
On a classic VAZ, the clutch can fail for various reasons, and the problem may not necessarily be in the basket or disc; often the cause of failure is the clutch of the slave or master cylinder (MCC). Signs of a faulty GCC:
VAZ 2109
On front-wheel drive VAZ 2108-09 cars, the clutch changes in approximately the same way as on a VAZ classic, with the only difference being the removal and installation of the transmission. on the “nine” there is no driveshaft, and you will have to remove the wheel drives (CV joints). There is also a difference. The VAZ 2109 has a cable drive (all “classics” have a hydraulic drive). Replacing the VAZ 2109 clutch is a little more complicated than the 2101-07 model, and therefore the work takes more time.
Fault diagnosis
How do you understand that the clutch release bearing (hereinafter referred to as the clutch release bearing) has already reached the end of its service life and is time to change it? This question interests many VAZ 2107 car owners. And for good reason, because although this element can be called insignificant, a lot depends on it.
The service life of the clutch device on domestic cars depends not so much on the conditions of use of the car, but on its mileage. A car owner who likes to squeeze the gas all the way down and drive on the roads will need to change clutch elements more often than a driver who prefers a measured way of driving.
When the wear of the clutch elements reaches the point of no return, the device begins to slip if the engine picks up speed. If you regularly drive with such a clutch, then in the future, and maybe even on the next trip, the driven disk of the mechanism will overheat, which will not allow the driver to continue driving. And even get moving.
A failed UPS that has exhausted its service life
Help, I have a problem! About two weeks ago, the clutch pedal in my car (VAZ 2107) failed! At first I thought that the cable was “covered”. I thought about changing it, but then I saw that the cable was intact. I’ll even say more - the cable is in excellent condition. Then I decided to adjust the rod. Having done this, I was able to travel for about five more days. The pedal has failed again, can you tell me what to do?
And there are hundreds of such questions on the Internet. As you understand, we are gradually bringing the topic to signs of a faulty clutch system. What are the signs that it is time to replace the release bearing of the mechanism? There may be several of them:
- the clutch pedal falls to the floor, although the cable is fine;
- while driving, when pressing the clutch pedal, a slight grinding noise is heard;
- first gear does not engage, therefore, movement can only be started from second speed;
- While driving, some noise appeared, which disappeared when the clutch pedal was depressed.
VPS at the installation site
If at least one sign of a malfunction appears in your car, then it’s time to change the VPS.
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At the request of my friend Misha (silenced), I am publishing brief instructions on how to replace the clutch on a VAZ 2108,09,099,13,14,15. I carried out work on the car from 9.30 to 13.00.
So let's get started: Disconnect the battery. (On injection machines, remove the air filter housing) Remove the left engine fender. Unlocking and unscrewing the hub nuts on both sides. Jack up and unscrew the left wheel. Unscrew the two ball mounting bolts. Remove the drive from the hub.
Any car sooner or later needs repair, and if the gears in the gearbox are tightly engaged, most likely the problem lies in the failure of the clutch. Replacing it with VAZ cars. The task is simple, but quite labor-intensive and requires certain skills of a locksmith.
VAZ 2112
The difference between VAZ 2112 and VAZ 2110 cars is the same as between 2115 and 2114:
It follows that replacing the VAZ 2112 clutch is carried out according to the same principle as on the 2110 model. From the above, we can conclude that on all front-wheel drive vehicles of the VAZ 2108-15 family, the replacement work is practically the same. the same, the difference is only in the details.
Is it necessary to remove the gearbox?
Car enthusiasts on the forums warn that it is impossible to replace the basket or disc without dismantling the VAZ-2107 gearbox, but experts immediately correct it - it is not always necessary to remove the gearbox; in most cases, it is enough to slightly pull out the gearbox and do this so that the input shaft comes out unhindered clutch baskets.
This option is the most convenient, but only if you are sure what exactly the problem is. Auto mechanics, when getting to work, prefer to inspect the entire device; there will probably be shortcomings, which will also soon make themselves felt, and therefore the clutch will have to be changed again. A visual inspection should be carried out for the following components:
- clutch housing;
- oil seal suitable for the primary type gearbox shaft;
- crankshaft oil seal located at the rear.
Check the serviceability of the brake system; in the VAZ-2107 it often malfunctions.
Why it stalls - reasons and their elimination
The clutch usually slips due to the following:
- There is no gap between the pressure bearing and the fifth basket;
- the clutch drive is not adjusted;
- oil gets on the discs;
Depending on the cause of this problem, the repair progress is determined. If the problem is with the diaphragm spring, it will have to be replaced with another one. When the friction linings wear out, the driven disk is replaced. When repairing/removing linings, the gaskets are checked. If they are in poor condition, they are also replaced with new ones. If oil gets on the driven disc, you will need to treat it with kerosene and clean it with fine sandpaper.
Grease may get on any side of the flywheel and pressure plate due to an increased oil level in the gearbox housing or a leak in the rear crankshaft bearing. To solve the problem, diagnostics are performed and the cause of the leak is eliminated - the seals are replaced, then the spare parts are cleaned.
The free stroke according to technical conditions is 30-35 mm, the full stroke is 140 mm. Any deviation from the norm is associated with a malfunction of the transmission and requires adjustment work. The parameter is checked using a ruler. To do this, determine the distance from the pedal to the center of the platform. The adjustment is made on a pit or lift using open-end wrenches 13 by 17 mm and 17 by 19 mm. We clean the adjusting rod and nuts with a brush and treat them with WD-40. Next, the lock nut is loosened, and by rotating the adjusting nut we change the gap. If the free play needs to be reduced, we lengthen the thrust; if it is increased, we shorten it. After completing the work, tighten the locknut.
Damaged release clutch
Required spare parts
Depending on the type of repair - replacement of the VAZ 2107 clutch master cylinder, release bearing or the entire assembly, you will need the following spare parts:
- disk (article Y00200B or 2101-1601130);
- cylinder (article 2101-1602610-15);
- release bearing (article CT 319);
- spring (article - 2108-1601-188);
- bolt (article 13825821);
- clutch (article 2101-1600010, 3000240001 or 2103-1601085);
- rivet (article - 2108-1601-295);
- friction lining (article: 2109-1601-138-02 or 2109-1601-138);
- coupling assembly (article - 2110-1601-180).
How to replace?
If you have no idea what a VPS is or what a clutch disc looks like, then entrust bearing repair work to professionals. If you think that you can cope with this, then we suggest that you familiarize yourself with our car repair manual.
Which to choose?
Selecting an IPS is the first point that must be completed if you decide to replace an element.
There is nothing difficult in choosing an element. Classic VAZ models (2010 - 2107) are equipped with a release bearing of the same type. Just buy the appropriate part at a car store or market, indicating the model of your vehicle. To make it more clear to you what the UPS looks like, you can look at it in the photo below.
What will you need?
What you will need to replace the UPS:
- the new UPS itself;
- flat head screwdriver;
- set of wrenches;
- lubricant "Litol-24";
- jack as support.
Is it possible to do without a pit/lift?
But the first question arises immediately after the thought of replacing the clutch appears. Is it possible to do without a pit/lift/overpass? Unfortunately, not every motorist has such amenities. The answer will be short - you can. But it is not complete, as you may have noticed. Therefore, it is worth describing a little the procedure for carrying out repairs without amenities. If you are of a thin build, then you only need to raise the car by 40-50 centimeters. But, of course, this position of the car will not add convenience. If you live in a rural area, then making a small trench - a couple of meters long, 50 cm wide and the same depth - is not difficult. In this case it will be much more convenient. But it’s better, of course, it’s easier to repair the VAZ-2107 on a normal pit or a lift. The clutch fork, which is also sometimes necessary to replace, is removed and installed only after dismantling the gearbox.
What you need to know
The release bearing is not the weakest link in the clutch system, but for some reason it is the one that causes problems and troubles.
coupling
Some car owners have gotten used to the whistle and simply ignore it. But this cannot continue for long, since untimely solution to the problem can lead to even more complex and expensive repairs. If the situation gets worse, then a simple replacement will not be enough for you.
Malfunctions
As a result of vehicle operation, the clutch disc, like any consumable material, can become unusable - the springs weaken, the friction linings wear out and become thinner. Manufacturers do not indicate a specific service life of the disk, because it depends only on the driver: one “clutch” can last only 5,000 km, while another can last 100,000. Increased clutch wear can result from:
- sudden starting at high speeds;
- slip;
- incorrect adjustment;
- participation in racing events;
- leakage of foreign liquids.
Usually there are two faults for which it is worth considering repairs:
- the clutch “slips”;
- the clutch “drives”.
When slipping, the driven disk is not pressed completely against the flywheel. What does this mean? If you sharply press the gas pedal while the car is moving, you may notice an increase in engine speed, but there will be no increase in speed. In the end, the car will someday just stand up and only towing or muscle power can set it in motion. Therefore, the issue of replacing the driven disk should not be shelved.
When the clutch “drives”, uncharacteristic sounds and noises are observed when changing gears, gears are difficult to engage. In this case, the driven disk, on the contrary, does not completely “separate” from the flywheel. In this case, pumping the hydraulics and adjusting the free play of the clutch helps, which can be easily done by anyone in a garage. If you ignore this malfunction, you can run into expensive gearbox repairs.
What you need to prepare in order to repair the clutch yourself:
- A set of keys
- Screwdriver (preferably thin)
- Special pliers-pullers
- WD-40 or similar rust remover
- Knife
- Brake fluid
- Bleeding hose
- Bleeding container
- Syringe
That's probably all that is needed.
Expanding pliers (circlip pliers)
